Janus Henderson Group PLC Costar Group, Inc. Transaction History

Janus Henderson Group PLC

$207 Billion
Q3 2025

A detailed history of Janus Henderson Group PLC transactions in Costar Group, Inc. stock. As of the latest transaction made, Janus Henderson Group PLC holds 6,216,807 shares of CSGP stock, worth $423 Million. This represents 0.25% of its overall portfolio holdings.

Number of Shares

6,216,807

Previous 4,035,827 54.04%

Holding current value

$423 Million

Previous $324 Million 61.65%

% of portfolio

0.25%

Previous 0.17%

34 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q3 2025 Nov 14, 2025	BUY	$81.42 - $96.83 $178 Million - $211 Million	2,180,980 Added 54.04%	6,216,807 $525 Million
Q2 2025 Aug 14, 2025	BUY	$72.62 - $83.22 $289 Million - $331 Million	3,982,866 Added 7520.38%	4,035,827 $324 Million
Q1 2025 May 15, 2025	SELL	$69.29 - $80.37 $378,808 - $439,382	-5,467 Reduced 9.36%	52,961 $4.2 Million
Q4 2024 Feb 14, 2025	SELL	$69.7 - $81.97 $458 Million - $538 Million	-6,568,801 Reduced 99.12%	58,428 $4.18 Million
Q3 2024 Nov 14, 2024	SELL	$71.59 - $79.61 $393 Million - $437 Million	-5,487,301 Reduced 45.3%	6,627,229 $500 Million
Q2 2024 Aug 14, 2024	BUY	$72.73 - $95.69 $22.3 Million - $29.3 Million	306,503 Added 2.6%	12,114,530 $898 Million
Q1 2024 May 15, 2024	BUY	$81.24 - $97.73 $144 Million - $173 Million	1,773,564 Added 17.67%	11,808,027 $1.14 Billion
Q4 2023 Feb 14, 2024	BUY	$70.58 - $88.25 $74.2 Million - $92.7 Million	1,050,656 Added 11.69%	10,034,463 $877 Million
Q3 2023 Nov 14, 2023	SELL	$76.3 - $91.8 $159 Million - $192 Million	-2,087,735 Reduced 18.86%	8,983,807 $691 Million
Q2 2023 Aug 14, 2023	SELL	$67.75 - $90.12 $136 Million - $181 Million	-2,009,764 Reduced 15.36%	11,071,542 $985 Million
Q1 2023 May 15, 2023	BUY	$65.85 - $81.05 $5.47 Million - $6.73 Million	82,995 Added 0.64%	13,081,306 $901 Million
Q4 2022 Feb 14, 2023	SELL	$70.3 - $84.16 $106 Million - $127 Million	-1,512,513 Reduced 10.42%	12,998,311 $1 Billion
Q3 2022 Nov 14, 2022	SELL	$57.94 - $78.56 $8.5 Million - $11.5 Million	-146,640 Reduced 1.0%	14,510,824 $1.01 Billion
Q2 2022 Aug 15, 2022	SELL	$54.19 - $67.64 $14.3 Million - $17.8 Million	-263,178 Reduced 1.76%	14,657,464 $885 Million
Q1 2022 May 16, 2022	BUY	$53.27 - $78.84 $150 Million - $222 Million	2,814,674 Added 23.25%	14,920,642 $994 Million
Q4 2021 Feb 14, 2022	BUY	$75.23 - $99.74 $33.6 Million - $44.6 Million	446,780 Added 3.83%	12,105,968 $957 Million
Q3 2021 Nov 16, 2021	SELL	$80.97 - $90.15 $4.76 Million - $5.3 Million	-58,783 Reduced 0.5%	11,659,188 $1 Billion
Q2 2021 Aug 16, 2021	BUY	$81.08 - $93.68 $828 Million - $957 Million	10,214,701 Added 679.5%	11,717,971 $970 Million
Q1 2021 May 17, 2021	BUY	$75.85 - $93.98 $15.9 Million - $19.7 Million	209,224 Added 16.17%	1,503,270 $1.24 Billion
Q4 2020 Feb 16, 2021	SELL	$79.33 - $93.95 $3.6 Million - $4.26 Million	-45,379 Reduced 3.39%	1,294,046 $1.2 Billion
Q3 2020 Nov 16, 2020	SELL	$68.0 - $87.78 $12.9 Million - $16.6 Million	-189,202 Reduced 12.38%	1,339,425 $1.14 Billion
Q2 2020 Aug 14, 2020	BUY	$52.67 - $72.46 $5.33 Million - $7.33 Million	101,148 Added 7.09%	1,528,627 $1.09 Billion
Q1 2020 May 14, 2020	SELL	$52.34 - $74.01 $14 Million - $19.9 Million	-268,403 Reduced 15.83%	1,427,479 $838 Million
Q4 2019 Feb 18, 2020	BUY	$54.36 - $61.74 $4.08 Million - $4.63 Million	74,975 Added 4.63%	1,695,882 $1.01 Billion
Q3 2019 Nov 14, 2019	SELL	$55.94 - $63.43 $25.5 Million - $28.9 Million	-455,356 Reduced 21.93%	1,620,907 $96.2 Million
Q2 2019 Jul 31, 2019	SELL	$47.44 - $56.05 $2.24 Million - $2.64 Million	-47,185 Reduced 2.22%	2,076,263 $1.15 Billion
Q1 2019 Apr 30, 2019	SELL	$32.73 - $47.69 $9.27 Million - $13.5 Million	-283,175 Reduced 11.77%	2,123,448 $990 Million
Q4 2018 Feb 06, 2019	SELL	$32.04 - $41.44 $5.6 Million - $7.24 Million	-174,681 Reduced 6.77%	2,406,623 $812 Million
Q3 2018 Nov 09, 2018	BUY	$40.85 - $44.67 $162,174 - $177,339	3,970 Added 0.15%	2,581,304 $1.09 Billion
Q2 2018 Aug 10, 2018	SELL	$35.11 - $41.72 $6.83 Million - $8.11 Million	-194,451 Reduced 7.02%	2,577,334 $1.06 Billion
Q1 2018 May 14, 2018	SELL	$29.68 - $37.58 $3.21 Million - $4.06 Million	-108,112 Reduced 3.75%	2,771,785 $1.01 Billion
Q4 2017 Feb 09, 2018	BUY	$27.16 - $31.02 $4.94 Million - $5.64 Million	181,734 Added 6.74%	2,879,897 $855 Million
Q3 2017 Nov 14, 2017	BUY	$26.61 - $28.7 $2.16 Million - $2.33 Million	81,157 Added 3.1%	2,698,163 $0
Q2 2017 Aug 17, 2017	BUY	N/A	2,617,006	2,617,006 $690 Million

Others Institutions Holding CSGP

# of Institutions

1,011

Shares Held

416M

Call Options Held

1.79M

Put Options Held

800K

View Full List

About COSTAR GROUP, INC.

Ticker CSGP
Exchange NASDAQ
Sector Real Estate
Industry Real Estate Services
Shares Outstandng 406,689,984
Market Cap $27.7B
Description
CoStar Group, Inc. provides information, analytics, and online marketplace services to the commercial real estate, hospitality, residential, and related professionals industries in the United States, Canada, Europe, the Asia Pacific, and Latin America. It offers CoStar Property that provides inventory of office, industrial, retail, multifamily, ...

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Janus Henderson Group PLC Costar Group, Inc. Transaction History